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Lens missing focus 30% of the time, is there a DIY fix?
Lens missing focus 30% of the time, is there a DIY fix? I am using a Sony A65 with old Minolta A mount lenses, and yesterday I got a Sigma 90mm f2.8 macro lens that has 3 tiny specks of fungus. The lens misses focus like 30% of the time when using auto focus, manual focus is always perfect. I've tested all of my lenses on the same subject in the same conditions, Sigma is the only inconsistent lens ou...
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